Cupboard Light DIY
A cupboard light is a small and useful undercabinet light source that can be easily installed in cupboards, wardrobes, and kitchen cabinets. It can shed light into dark corners and the tiniest nooks and crannies […]
Flashing LED Float
Today we will see how to build a flashing float using a handful of commonly available inexpensive electronics components. This is the circuit diagram of the flashing LED float… List of components is shown below. […]
LED Exit Sign
Interior signage such as lighted exit signs, plays an important role in keeping clients and staff safe during an emergency. This post shares the design idea of a simple and economical LED exit sign. This […]
High Water Sensor
Here is a simple high water sensor system to prevent costly to correct undetected water damage such as that caused by leaking pipes or corroded water heaters. The high water sensor circuitry will detect any […]
E-Reflector for Bicycles
As we know, a reflector is a small, often red, reflective disc on the back of a vehicle that reflects the headlights of other vehicles. That is fine, but this little post is about constructing […]
Flickering Torch Bulb
What is the simplest circuit you can think of for building a flickering torch bulb or torch bulb flasher/blinker? How many components do you need? This little circuit uses only a few common components, no […]
Quick Logic-Level MOSFET Tester
There is no doubt that nowadays we are seeing more logic-level MOSFETs being used in microcontroller-based hobby electronics circuits and projects. So this week’s little post is about building a quick go/no-go tester for the […]
Mini Alarm Loop v1
Mini Alarm Loop is a simple battery-powered security device to secure worthful goods outside of your home or office, such as bicycles, garden tools, furniture, etc. It sets off a sharp warning signal if severed […]
Poorman’s Toilet Bowl/Seat Night-Light v1
Adding something beaming will make your kid’s toilet more attractive. So, in this little post, you will see an automatic toilet bowl/seat night-light project to decorate your kid’s toilet. If you follow this minimalistic idea, […]
Door Status LED Indicator
This post shares the design idea of a simple and cheap door status display panel with tristate indicators. The tristate visual indication features three independent modes viz. steady red (busy indicator), steady green (free indicator), […]